Random Number 4 « Number « Java Data Type Q&A

1. random numbers    forums.oracle.com

put the numbers 1-9 in a string pick a number at random from 0 to string length put that value into the first string and remove it from the numbers to pick from on the next run. Repeat until you have none left. Instead of assigning a 9 to the string that gets it assign null. I am sure there are ...

2. Random Number    forums.oracle.com

thanks so much, i got most of it working, however i am having an issue with the itemstatechanged for the radiobuttonhandler. i am unsure what i need to put here for the correct output, if i put display.setText("" + total); i get a number that is too big if i assign it either total1, etc, i get a correct output. if ...

3. Random numbers are not so random......    forums.oracle.com

And always remember that there is no guarantee whatsoever that a random number won't occur twice in any sized sequence of numbers you draw (unless the size of that sequence is 1 in which case there is mathematically no way it could occur twice as there's only one number in the sequence). If such a guarantee existed it would no longer ...

4. Also Question about create Random number    forums.oracle.com

5. How can you generate a random number?    forums.oracle.com

6. randomly pick numbers from data set    forums.oracle.com

Hi, I took a class on Java a couple years ago, but it's been a while and so I'm pretty much back at the beginning. I have a set of 100 numbers (some repeating) and I need to write a simple program to resample the data. In other words, I need to randomly pick 100 numbers from the data set. I ...

7. Random Number Generator    forums.oracle.com

8. Biased random number generation    forums.oracle.com

Is there an API that provides me a way to get a biased boolean random value? I have a probability that I want to pass to the method and get back a true or false using that probability. If there isn't, does anybody have an idea of how I could do this? Thanks in advance. Message was edited by: babernathy

9. Question about random number    forums.oracle.com

10. Generating N-digit random number??    forums.oracle.com

11. random number generation    forums.oracle.com

I am interested in generating random numbers from 1 to 10. My problem is: I want all of the numbers. I mean there should be a certain order(random) that should contain number from 1 to 10. For example: 3, 6, 7, 1, 4, 2, 9, 8, 10, 5 Secondly, I want this order to be repeated every time if the function ...

13. Guess random numbers    forums.oracle.com

14. Random Number Generation    forums.oracle.com

Hello everybody, I'm sorry if this question is in the wrong place or is too simple! I am trying to generate a random number from 1-9, from my lecture notes I have the following code: public int ReelOneNum(int num) { int ReelOneNumGen; ReelOneNumGen = 1 + (int) (Math.random() * num); return (ReelOneNumGen); What do I need to add to this to ...

15. unable to generate a random number    forums.oracle.com

16. Java Random Numbers    forums.oracle.com

I would appreciate if someone help me in writing the program for this? Toss two different dice N times. Print each toss number, each result on the individual dice, and the total of each toss. sample output: How many times shall I toss the dice? 9 TossNumber RedDie GreenDie Total 1 3 4 7 2 5 1 6 . . . ...

17. Random number    forums.oracle.com

18. Generating Random Numbers    forums.oracle.com

Hi I have a question about Java's math.random() method, just how many pseudo-random numbers can I generate before values begin to repeat? I'm looking for a way to generate a set of about unique n numbers where n= 2^21, however I don't know how reliable math.random is to generate that many unique numbers, if it isn't is there another method in ...